<template>
  <div class="main">
    <a-form
      id="formLogin"
      class="user-layout-login"
      ref="formLogin"
      :form="form"
      @submit="handleSubmit"
    >
      <a-tabs
        :activeKey="customActiveKey"
        :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
        @change="handleTabClick"
      >
        <a-tab-pane key="tab1" tab="账号密码登录">
          <a-alert
            v-if="isLoginError"
            type="error"
            showIcon
            style="margin-bottom: 24px;"
            message="请检查租户、账户、密码是否正确" />

          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="租户"
              v-decorator="[
                'tenant',
                {rules: [{ required: true, message: '请输入正确租户信息' }, { validator: handleTenantIdByName }], validateTrigger: 'blur'}
              ]"
            >
              <a-icon slot="prefix" type="account-book" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="账户"
              v-decorator="[
                'username',
                {rules: [{ required: true, message: '请输入帐户名或邮箱地址' }, { validator: handleUsernameOrEmail }], validateTrigger: 'change'}
              ]"
            >
              <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-form-item>
            <a-input-password
              size="large"
              placeholder="密码"
              v-decorator="[
                'password',
                {rules: [{ required: true, message: '请输入密码' }], validateTrigger: 'blur'}
              ]"
            >
              <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input-password>
          </a-form-item>
          <!--          <a-form-item>-->
          <!--            <a-row :gutter="8">-->
          <!--              <a-col :span="16">-->
          <!--                <a-input-->
          <!--                  size="large"-->
          <!--                  type="text"-->
          <!--                  placeholder="请输入验证码"-->
          <!--                  v-decorator="[ 'validateCode', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'} ]">-->
          <!--                  <a-icon-->
          <!--                    slot="prefix"-->
          <!--                    type="safety-certificate"-->
          <!--                    :style="{ color: 'rgba(0,0,0,.25)' }"/>-->
          <!--                  >-->

          <!--                </a-input></a-col>-->
          <!--              <a-col :span="8">-->
          <!--                <img class="login-code-img" :src="captchaUrl" @click="getValidateCode" />-->
          <!--              </a-col>-->
          <!--            </a-row>-->
          <!--          </a-form-item>-->
        </a-tab-pane>
        <a-tab-pane key="tab2" tab="手机号登录">
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="租户"
              v-decorator="[
                'tenant',
                {rules: [{ required: true, message: '请输入正确租户信息' }, { validator: handleTenantIdByName }], validateTrigger: 'blur'}
              ]"
            >
              <a-icon slot="prefix" type="account-book" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="请输入手机号"
              v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[3456789]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change'}]">
              <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>

          <a-row :gutter="16">
            <a-col class="gutter-row" :span="16">
              <a-form-item>
                <a-input
                  size="large"
                  type="text"
                  placeholder="请输入验证码"
                  v-decorator="['captcha', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}]">
                  <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
                </a-input>
              </a-form-item>
            </a-col>
            <a-col class="gutter-row" :span="8">
              <a-button
                class="getCaptcha"
                tabindex="-1"
                @click.stop.prevent="getCaptcha"
                v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
              ></a-button>
            </a-col>
          </a-row>
        </a-tab-pane>
      </a-tabs>

      <!--      <a-form-item>
        <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">自动登录</a-checkbox>
        <router-link
          :to="{ name: 'recover', params: { user: 'aaa'} }"
          class="forge-password"
          style="float: right;"
        >忘记密码</router-link>
      </a-form-item>-->

      <a-form-item style="margin-top:24px">
        <a-button
          size="large"
          type="primary"
          @click="handleLogin"
          class="login-button"
          :loading="state.loginBtn"
          :disabled="state.loginBtn"
        >确定
        </a-button>
      </a-form-item>

      <Verify
        @success="verifySuccess"
        :mode="'pop'"
        :captchaType="'blockPuzzle'"
        :imgSize="{ width: '330px', height: '155px' }"
        ref="verify"
      />

      <div class="user-login-other">
        <span>其他登录方式</span>
        <a>
          <a-icon class="item-icon" type="alipay-circle"></a-icon>
        </a>
        <a>
          <a-icon class="item-icon" type="taobao-circle"></a-icon>
        </a>
        <a>
          <a-icon class="item-icon" type="weibo-circle"></a-icon>
        </a>
        <!--        <router-link class="register" :to="{ name: 'register' }">注册账户</router-link>-->
      </div>
    </a-form>

    <two-step-captcha
      v-if="requiredTwoStepCaptcha"
      :visible="stepCaptchaVisible"
      @success="stepCaptchaSuccess"
      @cancel="stepCaptchaCancel"
    ></two-step-captcha>
  </div>
</template>

<script>
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
import { getSmsCaptcha } from '@/api/login'
import Verify from '@/components/verifition/Verify'
import { getTenantIdByName } from '@/api/sys/tenant'
import Vue from 'vue'
import { TENANT_ID } from '@/store/mutation-types'

export default {
  components: {
    TwoStepCaptcha,
    Verify
  },
  data () {
    return {
      captchaUrl: '',
      customActiveKey: 'tab1',
      loginBtn: false,
      // login type: 0 email, 1 username, 2 telephone
      loginType: 0,
      isLoginError: false,
      requiredTwoStepCaptcha: false,
      stepCaptchaVisible: false,
      form: this.$form.createForm(this),
      uuid: undefined,
      state: {
        time: 60,
        loginBtn: false,
        // login type: 0 email, 1 username, 2 telephone
        loginType: 0,
        smsSendBtn: false
      }
    }
  },
  created () {
    // this.getValidateCode()
  },
  methods: {
    ...mapActions(['Login', 'Logout']),
    handleLogin () {
      this.$refs.verify.show()
    },
    verifySuccess (params) {
      this.form.code = params.captchaVerification

      this.handleSubmit()
    },
    // getValidateCode () {
    //   getCaptcha().then(res => {
    //     const { img, uuid } = res.data
    //     this.captchaUrl = img
    //     this.uuid = uuid
    //   })
    // },
    handleUsernameOrEmail (rule, value, callback) {
      const { state } = this
      const regex = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/
      if (regex.test(value)) {
        state.loginType = 0
      } else {
        state.loginType = 1
      }
      callback()
    },
    handleTenantIdByName (rule, value, callback) {
      getTenantIdByName(value).then(res => {
        const result = res.data
        if (result) {
          Vue.ls.set(TENANT_ID, result)
          callback()
        } else {
          // eslint-disable-next-line standard/no-callback-literal
          callback('租户不存在')
        }
      })
    },
    handleTabClick (key) {
      this.customActiveKey = key
    },
    handleSubmit (e) {
      // e.preventDefault()
      const {
        form: { validateFields },
        state,
        customActiveKey,
        Login
      } = this

      state.loginBtn = true

      const validateFieldsKey = customActiveKey === 'tab1' ? ['username', 'password', 'validateCode'] : ['mobile', 'captcha']

      validateFields(validateFieldsKey, { force: true }, (err, values) => {
        if (!err) {
          const loginParams = { ...values }

          if (customActiveKey === 'tab1') {
            // loginParams.uuid = this.uuid
            delete loginParams.username
            loginParams[!state.loginType ? 'email' : 'username'] = values.username
            loginParams.grant_type = 'password'
            // loginParams.grant_type = 'captcha'
          } else {
            loginParams.code = loginParams.captcha
            loginParams.auth_type = 'sms'
            loginParams.grant_type = 'sms_code'
          }

          Login(loginParams).then((res) => this.loginSuccess(res))
            .catch(err => {
              this.requestFailed(err)
              // this.getValidateCode()
            })
            .finally(() => {
              state.loginBtn = false
            })
        } else {
          setTimeout(() => {
            state.loginBtn = false
          }, 600)
        }
      })
    },
    getCaptcha (e) {
      e.preventDefault()
      const { form: { validateFields }, state } = this
      validateFields(['mobile'], { force: true }, (err, values) => {
        if (!err) {
          state.smsSendBtn = true

          const hide = this.$message.loading('验证码发送中..', 0)
          getSmsCaptcha({ phoneNumber: values.mobile }).then(res => {
            const interval = window.setInterval(() => {
              if (state.time-- <= 0) {
                state.time = 60
                state.smsSendBtn = false
                window.clearInterval(interval)
              }
            }, 1000)

            setTimeout(hide, 2500)
            this.$notification['success']({
              message: '提示',
              description: '验证码获取成功',
              duration: 8
            })
          }).catch(err => {
            setTimeout(hide, 1)
            state.time = 60
            state.smsSendBtn = false
            this.requestFailed(err)
          })
        }
      })
    },
    stepCaptchaSuccess () {
      this.loginSuccess()
    },
    stepCaptchaCancel () {
      this.Logout().then(() => {
        this.loginBtn = false
        this.stepCaptchaVisible = false
      })
    },
    loginSuccess (res) {
      this.$router.push({ name: 'welcome' })
      // 延迟 1 秒显示欢迎信息
      setTimeout(() => {
        this.$notification.success({
          message: '登录',
          description: `${timeFix()}，欢迎回来`
        })
      }, 500)
      this.isLoginError = false
    },
    requestFailed (err) {
      this.isLoginError = true
      this.$notification['error']({
        message: '错误',
        description: ((err.msg || {}).data || {}).message || '请求出现错误，请稍后再试',
        duration: 4
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login-code-img {
  /*margin-top: 2px;*/
  width: 100px;
  height: 40px;
  background-color: #fdfdfd;
  border: 1px solid #f0f0f0;
  color: #333;
  font-size: 14px;
  font-weight: bold;
  letter-spacing: 5px;
  line-height: 40px;
  text-indent: 5px;
  text-align: center;
}

.user-layout-login {
  label {
    font-size: 14px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .forge-password {
    font-size: 14px;
  }

  button.login-button {
    padding: 0 15px;
    font-size: 16px;
    height: 40px;
    width: 100%;
  }

  .user-login-other {
    text-align: left;
    margin-top: 24px;
    line-height: 22px;

    .item-icon {
      font-size: 24px;
      color: rgba(0, 0, 0, 0.2);
      margin-left: 16px;
      vertical-align: middle;
      cursor: pointer;
      transition: color 0.3s;

      &:hover {
        color: #1890ff;
      }
    }

    .register {
      float: right;
    }
  }
}
</style>
